Visitor
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2 Messages
Help troubleshooting Modem
Since I installed my new modem and router (MB8600 and TP-link archer ax1800) I have had issues with the internet being very particular.
when I look over the Motorola Webpage for my modem I see errors upon errors with no solution other than to reset and when I do, the errors build up less than an hour later.
I have ran new wires from my Modem clear to the dropline outside and have had no change, installed MOCA filters and changed from stock splitters to upgraded ones.
When playing videogames over PC connection I notice small but frequent Lagging spikes unrelated to PC performance.
errors are in the form of Internet connection along with errors in the Event log
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| Time Not Established | Critical (3) | CMSTATUS:US_Diplexer_Mode_Change:Fixed Initial, 5-42MHz. | |||
| Time Not Established | Critical (3) | SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1; | |||
| Time Not Established | Critical (3) | CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.2, 258MHz. | |||
| Time Not Established | Critical (3) | CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.3, 1002MHz. | |||
| Time Not Established | Critical (3) | CMSTATUS:US_Diplexer_Mode_Change:TLV-21.1, 5-42MHz. | |||
| Time Not Established | Notice (6) | Honoring MDD; IP provisioning mode = IPv6 | |||
| Time Not Established | Critical (3) | CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.2, 108MHz. | |||
| Time Not Established | Critical (3) | CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.3, 1002MHz. | |||
| Time Not Established | Critical (3) | CMSTATUS:US_Diplexer_Mode_Change:TLV-84.1, 5-42MHz. | |||
| 18:34:19 Fri Jun 16 2023 |
Notice (6) | DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1 2 3.;CM-MAC=;CMTS-MAC=-QOS=1.1;CM-VER=3.1; | |||
| 18:34:27 Fri Jun 16 2023 |
Critical (3) | No Ranging Response received - T3 time-out;CM-MAC=;CMTS-MAC=;CM-QOS=1.1;CM-VER=3.1; |
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Accepted Solution
EG
Expert
•
110.1K Messages
2 years ago
This may or may not be the root cause of the problem (YMMV) but it should be addressed regardless.
The downstream power is a bit on the low weak side and the upstream power is a bit on the high side, and they may be intermittently fluctuating even farther to out-of-spec levels. That can cause random disconnects, spontaneous re-booting of the modem, speed, packet loss, latency problems, and the un-bonding of channels.
In an effort to try to obtain better connectivity / more wiggle room, check to see if there are there any excess/unneeded coax cable splitters in the line leading to the modem that can be eliminated/re-configured. Any splitters that remain should be high quality and cable rated for 5-1000 MHz, bi-directional, and no gold colored garbage from Home Depot, Target, Wal-Mart, etc. Splitters should be swapped with known to be good / new ones to test.
Also check the coax cable for any damage such as cuts, nicks, abrasions, kinks, sharp bends, etc.
If there aren't any unneeded splitters that can be eliminated and if your coax wiring setup can't be reconfigured so that there is a single two-way splitter connected directly off of the drop from the street / pole with one port feeding the modem and the other port feeding the rest of the house/equipment with additional splits as needed and you've checked all the wiring and fittings for integrity and tightness and refresh them by taking them apart then check for and clean off any corrosion / oxidation on the center wire and put them back together again, then perhaps it's best to book a tech visit to investigate and correct.
Good luck with it !
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EG
Expert
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110.1K Messages
2 years ago
Please redact all of the CM MAC and the CMTS MAC addresses from your error log entries for your privacy. They are considered to be personal information. The posting of personally identifiable information is a violation of their forum guidelines. The forum bot will not allow your post to be seen publically. It flagged your post as "Private".
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